NPPES file of Aug 9, 2026

Brian Choi, M.D.

Internal Medicine Physician · Portsmouth, NH

Brian Choi, M.D. is an internal medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1104264175, issued on Jun 11, 2013. Check the license (New Hampshire 17810, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104264175
Name
Brian Choi
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
17810 NH
Self-reported in NPPES; status is on the state search
Practice location
333 Borthwick Ave, Portsmouth, NH 03801
Phone
(215) 442-5031
Enumerated
Jun 11, 2013
Record last updated
Dec 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161027000644); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →

Also registered at 333 Borthwick Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clayton Abeln, MDEmergency Medicine Physician1740926633
  2. Pahel Agarwal, M.DStudent in an Organized Health Care Education/Training Program1083469829
  3. Basil Al-Masarweh, MBBSStudent in an Organized Health Care Education/Training Program1346092004
  4. Nicholas Alana, MDInternal Medicine Physician1922687599
  5. Donavon Albertson, MDEmergency Medicine Physician1780759027
  6. Hossam Algamil, M.D.Hospitalist Physician1942429865

Verify Brian Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 17810    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Hospital Medicine Services OF NH, LLCPortsmouth, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brian Choi among 673 internal medicine physician records in New Hampshire

Brian Choi, M.D. is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 67% of them.

  • NPI issued2013 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2013 · median 2005 among the 443 with a school on file
  • Record last updated2017 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 internal medicine physician records list a practice address in Portsmouth

They are 37 of the 1,860 NPPES records with a practice address in Portsmouth, and 673 internal medicine physician records in New Hampshire.

All 673 in New Hampshire → Every provider in Portsmouth → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jonathan Bridges, M.D.Newington, NH 038011083744510
  2. Thomas Clairmont, MDPortsmouth, NH 038011053415794
  3. Daniel Davies, DOPortsmouth, NH 038011083683833
  4. Gary Fagin, M.D.Portsmouth, NH 038011376518886
  5. Diane Flamburis, MDPortsmouth, NH 038011851367387
  6. Mark Henschke, DONewington, NH 038011922092667
  7. Sunila Jo, MDPortsmouth, NH 038011740290097
  8. Paris Khavari, MDPortsmouth, NH 038011790889434

Common questions

What is Brian Choi, M.D.'s NPI number?

Brian Choi, M.D.'s National Provider Identifier (NPI) is 1104264175, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Brian Choi, M.D. located?

The NPPES record lists a practice address at 333 Borthwick Ave, Portsmouth, NH, 03801. Phone: (215) 442-5031. Providers update this record themselves, so call before visiting.

How can I verify Brian Choi, M.D.'s license?

NPPES lists New Hampshire license number 17810, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.